1. What are cookies?

Cookies are small text files stored on your device when you visit a website. They help the site function correctly, remember your preferences, and (with your consent) help us understand how you use the platform.

2. Types of cookies we use

Necessary cookies

Required for the platform to function. These cannot be disabled. They handle authentication, session management, and display preferences.

Analytics cookies

Help us understand how people use Senshin so we can improve the experience. No personal data is shared with third parties. These are only set with your explicit consent.

Marketing cookies

Used to measure campaign effectiveness and provide personalised feature recommendations within the app. These are only set with your explicit consent.

3. Cookie list

Cookie	Category	Purpose	Duration
ss_token	Necessary	Firebase authentication session token. Validates your identity on each request. httpOnly — not accessible to JavaScript.	12 hours
ss_user_id	Necessary	User identifier for session binding. Used to load your organisation and plan.	12 hours
ss_consent_v1	Necessary	Records your cookie consent preferences (necessary/analytics/marketing) for server-side enforcement.	1 year
ss_cookie_consent	Necessary	Client-side consent state stored in localStorage. Prevents the consent banner from reappearing.	Persistent (localStorage)
ss_settings	Necessary	Display preferences: locale, currency, timezone, density, theme. Stored in localStorage.	Persistent (localStorage)
ss_telemetry	Analytics	Anonymous usage telemetry — page views, feature usage frequency, performance timing. Only set with analytics consent.	Session
ss_campaign	Marketing	Campaign tracking for in-app feature recommendations and onboarding flows. Only set with marketing consent.	30 days

4. Managing your preferences

You can change your cookie preferences at any time:

Within Senshin: Go to Settings → Legal → Cookie Settings, or click "Cookie Settings" in the page footer.

Browser settings: Most browsers allow you to block or delete cookies. Note that blocking necessary cookies will prevent the platform from functioning.

5. Third-party cookies

Senshin uses the following third-party services that may set cookies:

Service	Purpose	Category
Firebase Auth (Google)	User authentication	Necessary
Stripe	Payment processing	Necessary

We do not use any advertising cookies or share data with advertising networks.

6. Changes to this policy

We may update this Cookie Policy from time to time. If we make material changes, we will re-display the consent banner so you can review and update your preferences.

7. Contact us

If you have questions about our use of cookies, contact us at privacy@senshin.app.

Senshin Ltd, 71-75 Shelton Street, London WC2H 9JQ, United Kingdom